/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

/** \file blender/blenkernel/intern/keyconfig.c
 *  \ingroup bke
 */

#include <stddef.h>
#include <stdlib.h>

#include "RNA_types.h"

#include "BLI_utildefines.h"
#include "BLI_ghash.h"
#include "BLI_listbase.h"
#include "BLI_string.h"

#include "DNA_listBase.h"
#include "DNA_userdef_types.h"
#include "DNA_windowmanager_types.h"

#include "BKE_keyconfig.h"  /* own include */
#include "BKE_idprop.h"

#include "MEM_guardedalloc.h"


/* -------------------------------------------------------------------- */
/** \name Key-Config Preference (UserDef) API
 *
 * \see #BKE_addon_pref_type_init for logic this is bases on.
 * \{ */

wmKeyConfigPref *BKE_keyconfig_pref_ensure(UserDef *userdef, const char *kc_idname)
{
	wmKeyConfigPref *kpt = BLI_findstring(
	        &userdef->user_keyconfig_prefs, kc_idname, offsetof(wmKeyConfigPref, idname));
	if (kpt == NULL) {
		kpt = MEM_callocN(sizeof(*kpt), __func__);
		STRNCPY(kpt->idname, kc_idname);
		BLI_addtail(&userdef->user_keyconfig_prefs, kpt);
	}
	if (kpt->prop == NULL) {
		IDPropertyTemplate val = {0};
		kpt->prop = IDP_New(IDP_GROUP, &val, kc_idname); /* name is unimportant  */
	}
	return kpt;
}

/** \} */

/* -------------------------------------------------------------------- */
/** \name Key-Config Preference (RNA Type) API
 *
 * \see #BKE_addon_pref_type_init for logic this is bases on.
 * \{ */

static GHash *global_keyconfigpreftype_hash = NULL;


wmKeyConfigPrefType_Runtime *BKE_keyconfig_pref_type_find(const char *idname, bool quiet)
{
	if (idname[0]) {
		wmKeyConfigPrefType_Runtime *kpt_rt;

		kpt_rt = BLI_ghash_lookup(global_keyconfigpreftype_hash, idname);
		if (kpt_rt) {
			return kpt_rt;
		}

		if (!quiet) {
			printf("search for unknown keyconfig-pref '%s'\n", idname);
		}
	}
	else {
		if (!quiet) {
			printf("search for empty keyconfig-pref\n");
		}
	}

	return NULL;
}

void BKE_keyconfig_pref_type_add(wmKeyConfigPrefType_Runtime *kpt_rt)
{
	BLI_ghash_insert(global_keyconfigpreftype_hash, kpt_rt->idname, kpt_rt);
}

void BKE_keyconfig_pref_type_remove(const wmKeyConfigPrefType_Runtime *kpt_rt)
{
	BLI_ghash_remove(global_keyconfigpreftype_hash, kpt_rt->idname, NULL, MEM_freeN);
}

void BKE_keyconfig_pref_type_init(void)
{
	BLI_assert(global_keyconfigpreftype_hash == NULL);
	global_keyconfigpreftype_hash = BLI_ghash_str_new(__func__);
}

void BKE_keyconfig_pref_type_free(void)
{
	BLI_ghash_free(global_keyconfigpreftype_hash, NULL, MEM_freeN);
	global_keyconfigpreftype_hash = NULL;
}

/* Set select mouse, for versioning code. */
void BKE_keyconfig_pref_set_select_mouse(UserDef *userdef, int value, bool override)
{
	wmKeyConfigPref *kpt = BKE_keyconfig_pref_ensure(userdef, WM_KEYCONFIG_STR_DEFAULT);
	IDProperty *idprop = IDP_GetPropertyFromGroup(kpt->prop, "select_mouse");
	if (!idprop) {
		IDPropertyTemplate tmp = { .i = value };
		IDP_AddToGroup(kpt->prop, IDP_New(IDP_INT, &tmp, "select_mouse"));
	}
	else if (override) {
		IDP_Int(idprop) = value;
	}
}

/** \} */
